21782610

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{619}}^1$

素因数の和:672

約数の個数: 96

約数和(自身を含む): 62674560

約数和(自身を除く): 40891950

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 23, 30, 34, 45, 46, 51, 69, 85, 90, 102, 115, 138, 153, 170, 207, 230, 255, 306, 345, 391, 414, 510, 619, 690, 765, 782, 1035, 1173, 1238, 1530, 1857, 1955, 2070, 2346, 3095, 3519, 3714, 3910, 5571, 5865, 6190, 7038, 9285, 10523, 11142, 11730, 14237, 17595, 18570, 21046, 27855, 28474, 31569, 35190, 42711, 52615, 55710, 63138, 71185, 85422, 94707, 105230, 128133, 142370, 157845, 189414, 213555, 242029, 256266, 315690, 427110, 473535, 484058, 640665, 726087, 947070, 1210145, 1281330, 1452174, 2178261, 2420290, 3630435, 4356522, 7260870, 10891305, 21782610]

約数ペア:

[(1, 21782610), (2, 10891305), (3, 7260870), (5, 4356522), (6, 3630435), (9, 2420290), (10, 2178261), (15, 1452174), (17, 1281330), (18, 1210145), (23, 947070), (30, 726087), (34, 640665), (45, 484058), (46, 473535), (51, 427110), (69, 315690), (85, 256266), (90, 242029), (102, 213555), (115, 189414), (138, 157845), (153, 142370), (170, 128133), (207, 105230), (230, 94707), (255, 85422), (306, 71185), (345, 63138), (391, 55710), (414, 52615), (510, 42711), (619, 35190), (690, 31569), (765, 28474), (782, 27855), (1035, 21046), (1173, 18570), (1238, 17595), (1530, 14237), (1857, 11730), (1955, 11142), (2070, 10523), (2346, 9285), (3095, 7038), (3519, 6190), (3714, 5865), (3910, 5571)]