21459360

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:231

約数の個数: 192

約数和(自身を含む): 77051520

約数和(自身を除く): 55592160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 32, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 96, 104, 114, 120, 130, 152, 156, 160, 181, 190, 195, 208, 228, 240, 247, 260, 285, 304, 312, 362, 380, 390, 416, 456, 480, 494, 520, 543, 570, 608, 624, 724, 741, 760, 780, 905, 912, 988, 1040, 1086, 1140, 1235, 1248, 1448, 1482, 1520, 1560, 1810, 1824, 1976, 2080, 2172, 2280, 2353, 2470, 2715, 2896, 2964, 3040, 3120, 3439, 3620, 3705, 3952, 4344, 4560, 4706, 4940, 5430, 5792, 5928, 6240, 6878, 7059, 7240, 7410, 7904, 8688, 9120, 9412, 9880, 10317, 10860, 11765, 11856, 13756, 14118, 14480, 14820, 17195, 17376, 18824, 19760, 20634, 21720, 23530, 23712, 27512, 28236, 28960, 29640, 34390, 35295, 37648, 39520, 41268, 43440, 44707, 47060, 51585, 55024, 56472, 59280, 68780, 70590, 75296, 82536, 86880, 89414, 94120, 103170, 110048, 112944, 118560, 134121, 137560, 141180, 165072, 178828, 188240, 206340, 223535, 225888, 268242, 275120, 282360, 330144, 357656, 376480, 412680, 447070, 536484, 550240, 564720, 670605, 715312, 825360, 894140, 1072968, 1129440, 1341210, 1430624, 1650720, 1788280, 2145936, 2682420, 3576560, 4291872, 5364840, 7153120, 10729680, 21459360]

約数ペア:

[(1, 21459360), (2, 10729680), (3, 7153120), (4, 5364840), (5, 4291872), (6, 3576560), (8, 2682420), (10, 2145936), (12, 1788280), (13, 1650720), (15, 1430624), (16, 1341210), (19, 1129440), (20, 1072968), (24, 894140), (26, 825360), (30, 715312), (32, 670605), (38, 564720), (39, 550240), (40, 536484), (48, 447070), (52, 412680), (57, 376480), (60, 357656), (65, 330144), (76, 282360), (78, 275120), (80, 268242), (95, 225888), (96, 223535), (104, 206340), (114, 188240), (120, 178828), (130, 165072), (152, 141180), (156, 137560), (160, 134121), (181, 118560), (190, 112944), (195, 110048), (208, 103170), (228, 94120), (240, 89414), (247, 86880), (260, 82536), (285, 75296), (304, 70590), (312, 68780), (362, 59280), (380, 56472), (390, 55024), (416, 51585), (456, 47060), (480, 44707), (494, 43440), (520, 41268), (543, 39520), (570, 37648), (608, 35295), (624, 34390), (724, 29640), (741, 28960), (760, 28236), (780, 27512), (905, 23712), (912, 23530), (988, 21720), (1040, 20634), (1086, 19760), (1140, 18824), (1235, 17376), (1248, 17195), (1448, 14820), (1482, 14480), (1520, 14118), (1560, 13756), (1810, 11856), (1824, 11765), (1976, 10860), (2080, 10317), (2172, 9880), (2280, 9412), (2353, 9120), (2470, 8688), (2715, 7904), (2896, 7410), (2964, 7240), (3040, 7059), (3120, 6878), (3439, 6240), (3620, 5928), (3705, 5792), (3952, 5430), (4344, 4940), (4560, 4706)]