21527460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2917}}^1$

素因数の和:2973

約数の個数: 72

約数和(自身を含む): 66915576

約数和(自身を除く): 45388116

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 2917, 3690, 5834, 7380, 8751, 11668, 14585, 17502, 26253, 29170, 35004, 43755, 52506, 58340, 87510, 105012, 119597, 131265, 175020, 239194, 262530, 358791, 478388, 525060, 597985, 717582, 1076373, 1195970, 1435164, 1793955, 2152746, 2391940, 3587910, 4305492, 5381865, 7175820, 10763730, 21527460]

約数ペア:

[(1, 21527460), (2, 10763730), (3, 7175820), (4, 5381865), (5, 4305492), (6, 3587910), (9, 2391940), (10, 2152746), (12, 1793955), (15, 1435164), (18, 1195970), (20, 1076373), (30, 717582), (36, 597985), (41, 525060), (45, 478388), (60, 358791), (82, 262530), (90, 239194), (123, 175020), (164, 131265), (180, 119597), (205, 105012), (246, 87510), (369, 58340), (410, 52506), (492, 43755), (615, 35004), (738, 29170), (820, 26253), (1230, 17502), (1476, 14585), (1845, 11668), (2460, 8751), (2917, 7380), (3690, 5834)]