21798510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{229}}^1$

素因数の和:425

約数の個数: 64

約数和(自身を含む): 55641600

約数和(自身を除く): 33843090

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 167, 190, 229, 285, 334, 458, 501, 570, 687, 835, 1002, 1145, 1374, 1670, 2290, 2505, 3173, 3435, 4351, 5010, 6346, 6870, 8702, 9519, 13053, 15865, 19038, 21755, 26106, 31730, 38243, 43510, 47595, 65265, 76486, 95190, 114729, 130530, 191215, 229458, 382430, 573645, 726617, 1147290, 1453234, 2179851, 3633085, 4359702, 7266170, 10899255, 21798510]

約数ペア:

[(1, 21798510), (2, 10899255), (3, 7266170), (5, 4359702), (6, 3633085), (10, 2179851), (15, 1453234), (19, 1147290), (30, 726617), (38, 573645), (57, 382430), (95, 229458), (114, 191215), (167, 130530), (190, 114729), (229, 95190), (285, 76486), (334, 65265), (458, 47595), (501, 43510), (570, 38243), (687, 31730), (835, 26106), (1002, 21755), (1145, 19038), (1374, 15865), (1670, 13053), (2290, 9519), (2505, 8702), (3173, 6870), (3435, 6346), (4351, 5010)]