21655546920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{8593471}}^1$

素因数の和:8593495

約数の個数: 96

約数和(自身を含む): 80434897920

約数和(自身を除く): 58779351000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 8593471, 17186942, 25780413, 34373884, 42967355, 51560826, 60154297, 68747768, 77341239, 85934710, 103121652, 120308594, 128902065, 154682478, 171869420, 180462891, 206243304, 240617188, 257804130, 300771485, 309364956, 343738840, 360925782, 386706195, 481234376, 515608260, 541388673, 601542970, 618729912, 721851564, 773412390, 902314455, 1031216520, 1082777346, 1203085940, 1443703128, 1546824780, 1804628910, 2165554692, 2406171880, 2706943365, 3093649560, 3609257820, 4331109384, 5413886730, 7218515640, 10827773460, 21655546920]

約数ペア:

[(1, 21655546920), (2, 10827773460), (3, 7218515640), (4, 5413886730), (5, 4331109384), (6, 3609257820), (7, 3093649560), (8, 2706943365), (9, 2406171880), (10, 2165554692), (12, 1804628910), (14, 1546824780), (15, 1443703128), (18, 1203085940), (20, 1082777346), (21, 1031216520), (24, 902314455), (28, 773412390), (30, 721851564), (35, 618729912), (36, 601542970), (40, 541388673), (42, 515608260), (45, 481234376), (56, 386706195), (60, 360925782), (63, 343738840), (70, 309364956), (72, 300771485), (84, 257804130), (90, 240617188), (105, 206243304), (120, 180462891), (126, 171869420), (140, 154682478), (168, 128902065), (180, 120308594), (210, 103121652), (252, 85934710), (280, 77341239), (315, 68747768), (360, 60154297), (420, 51560826), (504, 42967355), (630, 34373884), (840, 25780413), (1260, 17186942), (2520, 8593471)]