21384730

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{683}}^1$

素因数の和:822

約数の個数: 32

約数和(自身を含む): 40186368

約数和(自身を除く): 18801638

約数列:

[1, 2, 5, 10, 31, 62, 101, 155, 202, 310, 505, 683, 1010, 1366, 3131, 3415, 6262, 6830, 15655, 21173, 31310, 42346, 68983, 105865, 137966, 211730, 344915, 689830, 2138473, 4276946, 10692365, 21384730]

約数ペア:

[(1, 21384730), (2, 10692365), (5, 4276946), (10, 2138473), (31, 689830), (62, 344915), (101, 211730), (155, 137966), (202, 105865), (310, 68983), (505, 42346), (683, 31310), (1010, 21173), (1366, 15655), (3131, 6830), (3415, 6262)]