21534900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{3121}}^1$

素因数の和:3161

約数の個数: 72

約数和(自身を含む): 65037504

約数和(自身を除く): 43502604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 46, 50, 60, 69, 75, 92, 100, 115, 138, 150, 230, 276, 300, 345, 460, 575, 690, 1150, 1380, 1725, 2300, 3121, 3450, 6242, 6900, 9363, 12484, 15605, 18726, 31210, 37452, 46815, 62420, 71783, 78025, 93630, 143566, 156050, 187260, 215349, 234075, 287132, 312100, 358915, 430698, 468150, 717830, 861396, 936300, 1076745, 1435660, 1794575, 2153490, 3589150, 4306980, 5383725, 7178300, 10767450, 21534900]

約数ペア:

[(1, 21534900), (2, 10767450), (3, 7178300), (4, 5383725), (5, 4306980), (6, 3589150), (10, 2153490), (12, 1794575), (15, 1435660), (20, 1076745), (23, 936300), (25, 861396), (30, 717830), (46, 468150), (50, 430698), (60, 358915), (69, 312100), (75, 287132), (92, 234075), (100, 215349), (115, 187260), (138, 156050), (150, 143566), (230, 93630), (276, 78025), (300, 71783), (345, 62420), (460, 46815), (575, 37452), (690, 31210), (1150, 18726), (1380, 15605), (1725, 12484), (2300, 9363), (3121, 6900), (3450, 6242)]