21910950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:143

約数の個数: 144

約数和(自身を含む): 64415520

約数和(自身を除く): 42504570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 25, 29, 30, 45, 46, 50, 58, 69, 73, 75, 87, 90, 115, 138, 145, 146, 150, 174, 207, 219, 225, 230, 261, 290, 345, 365, 414, 435, 438, 450, 522, 575, 657, 667, 690, 725, 730, 870, 1035, 1095, 1150, 1305, 1314, 1334, 1450, 1679, 1725, 1825, 2001, 2070, 2117, 2175, 2190, 2610, 3285, 3335, 3358, 3450, 3650, 4002, 4234, 4350, 5037, 5175, 5475, 6003, 6351, 6525, 6570, 6670, 8395, 10005, 10074, 10350, 10585, 10950, 12006, 12702, 13050, 15111, 16425, 16675, 16790, 19053, 20010, 21170, 25185, 30015, 30222, 31755, 32850, 33350, 38106, 41975, 48691, 50025, 50370, 52925, 60030, 63510, 75555, 83950, 95265, 97382, 100050, 105850, 125925, 146073, 150075, 151110, 158775, 190530, 243455, 251850, 292146, 300150, 317550, 377775, 438219, 476325, 486910, 730365, 755550, 876438, 952650, 1217275, 1460730, 2191095, 2434550, 3651825, 4382190, 7303650, 10955475, 21910950]

約数ペア:

[(1, 21910950), (2, 10955475), (3, 7303650), (5, 4382190), (6, 3651825), (9, 2434550), (10, 2191095), (15, 1460730), (18, 1217275), (23, 952650), (25, 876438), (29, 755550), (30, 730365), (45, 486910), (46, 476325), (50, 438219), (58, 377775), (69, 317550), (73, 300150), (75, 292146), (87, 251850), (90, 243455), (115, 190530), (138, 158775), (145, 151110), (146, 150075), (150, 146073), (174, 125925), (207, 105850), (219, 100050), (225, 97382), (230, 95265), (261, 83950), (290, 75555), (345, 63510), (365, 60030), (414, 52925), (435, 50370), (438, 50025), (450, 48691), (522, 41975), (575, 38106), (657, 33350), (667, 32850), (690, 31755), (725, 30222), (730, 30015), (870, 25185), (1035, 21170), (1095, 20010), (1150, 19053), (1305, 16790), (1314, 16675), (1334, 16425), (1450, 15111), (1679, 13050), (1725, 12702), (1825, 12006), (2001, 10950), (2070, 10585), (2117, 10350), (2175, 10074), (2190, 10005), (2610, 8395), (3285, 6670), (3335, 6570), (3358, 6525), (3450, 6351), (3650, 6003), (4002, 5475), (4234, 5175), (4350, 5037)]