21623700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{1471}}^1$

素因数の和:1502

約数の個数: 108

約数和(自身を含む): 72828672

約数和(自身を除く): 51204972

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 49, 50, 60, 70, 75, 84, 98, 100, 105, 140, 147, 150, 175, 196, 210, 245, 294, 300, 350, 420, 490, 525, 588, 700, 735, 980, 1050, 1225, 1470, 1471, 2100, 2450, 2940, 2942, 3675, 4413, 4900, 5884, 7350, 7355, 8826, 10297, 14700, 14710, 17652, 20594, 22065, 29420, 30891, 36775, 41188, 44130, 51485, 61782, 72079, 73550, 88260, 102970, 110325, 123564, 144158, 147100, 154455, 205940, 216237, 220650, 257425, 288316, 308910, 360395, 432474, 441300, 514850, 617820, 720790, 772275, 864948, 1029700, 1081185, 1441580, 1544550, 1801975, 2162370, 3089100, 3603950, 4324740, 5405925, 7207900, 10811850, 21623700]

約数ペア:

[(1, 21623700), (2, 10811850), (3, 7207900), (4, 5405925), (5, 4324740), (6, 3603950), (7, 3089100), (10, 2162370), (12, 1801975), (14, 1544550), (15, 1441580), (20, 1081185), (21, 1029700), (25, 864948), (28, 772275), (30, 720790), (35, 617820), (42, 514850), (49, 441300), (50, 432474), (60, 360395), (70, 308910), (75, 288316), (84, 257425), (98, 220650), (100, 216237), (105, 205940), (140, 154455), (147, 147100), (150, 144158), (175, 123564), (196, 110325), (210, 102970), (245, 88260), (294, 73550), (300, 72079), (350, 61782), (420, 51485), (490, 44130), (525, 41188), (588, 36775), (700, 30891), (735, 29420), (980, 22065), (1050, 20594), (1225, 17652), (1470, 14710), (1471, 14700), (2100, 10297), (2450, 8826), (2940, 7355), (2942, 7350), (3675, 5884), (4413, 4900)]