21384466680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2693}}^1\times {\mathrm{66173}}^1$

素因数の和:68880

約数の個数: 64

約数和(自身を含む): 64178192160

約数和(自身を除く): 42793725480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2693, 5386, 8079, 10772, 13465, 16158, 21544, 26930, 32316, 40395, 53860, 64632, 66173, 80790, 107720, 132346, 161580, 198519, 264692, 323160, 330865, 397038, 529384, 661730, 794076, 992595, 1323460, 1588152, 1985190, 2646920, 3970380, 7940760, 178203889, 356407778, 534611667, 712815556, 891019445, 1069223334, 1425631112, 1782038890, 2138446668, 2673058335, 3564077780, 4276893336, 5346116670, 7128155560, 10692233340, 21384466680]

約数ペア:

[(1, 21384466680), (2, 10692233340), (3, 7128155560), (4, 5346116670), (5, 4276893336), (6, 3564077780), (8, 2673058335), (10, 2138446668), (12, 1782038890), (15, 1425631112), (20, 1069223334), (24, 891019445), (30, 712815556), (40, 534611667), (60, 356407778), (120, 178203889), (2693, 7940760), (5386, 3970380), (8079, 2646920), (10772, 1985190), (13465, 1588152), (16158, 1323460), (21544, 992595), (26930, 794076), (32316, 661730), (40395, 529384), (53860, 397038), (64632, 330865), (66173, 323160), (80790, 264692), (107720, 198519), (132346, 161580)]