21127774980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{18439}}^1$

素因数の和:18590

約数の個数: 144

約数和(自身を含む): 64628807040

約数和(自身を除く): 43501032060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 113, 130, 156, 169, 195, 226, 260, 338, 339, 390, 452, 507, 565, 676, 678, 780, 845, 1014, 1130, 1356, 1469, 1690, 1695, 2028, 2260, 2535, 2938, 3380, 3390, 4407, 5070, 5876, 6780, 7345, 8814, 10140, 14690, 17628, 18439, 19097, 22035, 29380, 36878, 38194, 44070, 55317, 57291, 73756, 76388, 88140, 92195, 95485, 110634, 114582, 184390, 190970, 221268, 229164, 239707, 276585, 286455, 368780, 381940, 479414, 553170, 572910, 719121, 958828, 1106340, 1145820, 1198535, 1438242, 2083607, 2397070, 2876484, 3116191, 3595605, 4167214, 4794140, 6232382, 6250821, 7191210, 8334428, 9348573, 10418035, 12464764, 12501642, 14382420, 15580955, 18697146, 20836070, 25003284, 27086891, 31161910, 31254105, 37394292, 41672140, 46742865, 54173782, 62323820, 62508210, 81260673, 93485730, 108347564, 125016420, 135434455, 162521346, 186971460, 270868910, 325042692, 352129583, 406303365, 541737820, 704259166, 812606730, 1056388749, 1408518332, 1625213460, 1760647915, 2112777498, 3521295830, 4225554996, 5281943745, 7042591660, 10563887490, 21127774980]

約数ペア:

[(1, 21127774980), (2, 10563887490), (3, 7042591660), (4, 5281943745), (5, 4225554996), (6, 3521295830), (10, 2112777498), (12, 1760647915), (13, 1625213460), (15, 1408518332), (20, 1056388749), (26, 812606730), (30, 704259166), (39, 541737820), (52, 406303365), (60, 352129583), (65, 325042692), (78, 270868910), (113, 186971460), (130, 162521346), (156, 135434455), (169, 125016420), (195, 108347564), (226, 93485730), (260, 81260673), (338, 62508210), (339, 62323820), (390, 54173782), (452, 46742865), (507, 41672140), (565, 37394292), (676, 31254105), (678, 31161910), (780, 27086891), (845, 25003284), (1014, 20836070), (1130, 18697146), (1356, 15580955), (1469, 14382420), (1690, 12501642), (1695, 12464764), (2028, 10418035), (2260, 9348573), (2535, 8334428), (2938, 7191210), (3380, 6250821), (3390, 6232382), (4407, 4794140), (5070, 4167214), (5876, 3595605), (6780, 3116191), (7345, 2876484), (8814, 2397070), (10140, 2083607), (14690, 1438242), (17628, 1198535), (18439, 1145820), (19097, 1106340), (22035, 958828), (29380, 719121), (36878, 572910), (38194, 553170), (44070, 479414), (55317, 381940), (57291, 368780), (73756, 286455), (76388, 276585), (88140, 239707), (92195, 229164), (95485, 221268), (110634, 190970), (114582, 184390)]