21307103680

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{523}}^1\times {\mathrm{7489}}^1$

素因数の和:8046

約数の個数: 112

約数和(自身を含む): 53832008160

約数和(自身を除く): 32524904480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 523, 544, 680, 1046, 1088, 1360, 2092, 2615, 2720, 4184, 5230, 5440, 7489, 8368, 8891, 10460, 14978, 16736, 17782, 20920, 29956, 33472, 35564, 37445, 41840, 44455, 59912, 71128, 74890, 83680, 88910, 119824, 127313, 142256, 149780, 167360, 177820, 239648, 254626, 284512, 299560, 355640, 479296, 509252, 569024, 599120, 636565, 711280, 1018504, 1198240, 1273130, 1422560, 2037008, 2396480, 2546260, 2845120, 3916747, 4074016, 5092520, 7833494, 8148032, 10185040, 15666988, 19583735, 20370080, 31333976, 39167470, 40740160, 62667952, 66584699, 78334940, 125335904, 133169398, 156669880, 250671808, 266338796, 313339760, 332923495, 532677592, 626679520, 665846990, 1065355184, 1253359040, 1331693980, 2130710368, 2663387960, 4261420736, 5326775920, 10653551840, 21307103680]

約数ペア:

[(1, 21307103680), (2, 10653551840), (4, 5326775920), (5, 4261420736), (8, 2663387960), (10, 2130710368), (16, 1331693980), (17, 1253359040), (20, 1065355184), (32, 665846990), (34, 626679520), (40, 532677592), (64, 332923495), (68, 313339760), (80, 266338796), (85, 250671808), (136, 156669880), (160, 133169398), (170, 125335904), (272, 78334940), (320, 66584699), (340, 62667952), (523, 40740160), (544, 39167470), (680, 31333976), (1046, 20370080), (1088, 19583735), (1360, 15666988), (2092, 10185040), (2615, 8148032), (2720, 7833494), (4184, 5092520), (5230, 4074016), (5440, 3916747), (7489, 2845120), (8368, 2546260), (8891, 2396480), (10460, 2037008), (14978, 1422560), (16736, 1273130), (17782, 1198240), (20920, 1018504), (29956, 711280), (33472, 636565), (35564, 599120), (37445, 569024), (41840, 509252), (44455, 479296), (59912, 355640), (71128, 299560), (74890, 284512), (83680, 254626), (88910, 239648), (119824, 177820), (127313, 167360), (142256, 149780)]