21694400

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1$

素因数の和:191

約数の個数: 168

約数和(自身を含む): 66141600

約数和(自身を除く): 44447200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 50, 52, 56, 64, 65, 70, 80, 91, 100, 104, 112, 130, 140, 149, 160, 175, 182, 200, 208, 224, 260, 280, 298, 320, 325, 350, 364, 400, 416, 448, 455, 520, 560, 596, 650, 700, 728, 745, 800, 832, 910, 1040, 1043, 1120, 1192, 1300, 1400, 1456, 1490, 1600, 1820, 1937, 2080, 2086, 2240, 2275, 2384, 2600, 2800, 2912, 2980, 3640, 3725, 3874, 4160, 4172, 4550, 4768, 5200, 5215, 5600, 5824, 5960, 7280, 7450, 7748, 8344, 9100, 9536, 9685, 10400, 10430, 11200, 11920, 13559, 14560, 14900, 15496, 16688, 18200, 19370, 20800, 20860, 23840, 26075, 27118, 29120, 29800, 30992, 33376, 36400, 38740, 41720, 47680, 48425, 52150, 54236, 59600, 61984, 66752, 67795, 72800, 77480, 83440, 96850, 104300, 108472, 119200, 123968, 135590, 145600, 154960, 166880, 193700, 208600, 216944, 238400, 271180, 309920, 333760, 338975, 387400, 417200, 433888, 542360, 619840, 677950, 774800, 834400, 867776, 1084720, 1355900, 1549600, 1668800, 2169440, 2711800, 3099200, 4338880, 5423600, 10847200, 21694400]

約数ペア:

[(1, 21694400), (2, 10847200), (4, 5423600), (5, 4338880), (7, 3099200), (8, 2711800), (10, 2169440), (13, 1668800), (14, 1549600), (16, 1355900), (20, 1084720), (25, 867776), (26, 834400), (28, 774800), (32, 677950), (35, 619840), (40, 542360), (50, 433888), (52, 417200), (56, 387400), (64, 338975), (65, 333760), (70, 309920), (80, 271180), (91, 238400), (100, 216944), (104, 208600), (112, 193700), (130, 166880), (140, 154960), (149, 145600), (160, 135590), (175, 123968), (182, 119200), (200, 108472), (208, 104300), (224, 96850), (260, 83440), (280, 77480), (298, 72800), (320, 67795), (325, 66752), (350, 61984), (364, 59600), (400, 54236), (416, 52150), (448, 48425), (455, 47680), (520, 41720), (560, 38740), (596, 36400), (650, 33376), (700, 30992), (728, 29800), (745, 29120), (800, 27118), (832, 26075), (910, 23840), (1040, 20860), (1043, 20800), (1120, 19370), (1192, 18200), (1300, 16688), (1400, 15496), (1456, 14900), (1490, 14560), (1600, 13559), (1820, 11920), (1937, 11200), (2080, 10430), (2086, 10400), (2240, 9685), (2275, 9536), (2384, 9100), (2600, 8344), (2800, 7748), (2912, 7450), (2980, 7280), (3640, 5960), (3725, 5824), (3874, 5600), (4160, 5215), (4172, 5200), (4550, 4768)]