21250284

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:303

約数の個数: 96

約数和(自身を含む): 58732800

約数和(自身を除く): 37482516

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 37, 38, 44, 57, 66, 74, 76, 111, 114, 132, 148, 209, 222, 228, 229, 407, 418, 444, 458, 627, 687, 703, 814, 836, 916, 1221, 1254, 1374, 1406, 1628, 2109, 2442, 2508, 2519, 2748, 2812, 4218, 4351, 4884, 5038, 7557, 7733, 8436, 8473, 8702, 10076, 13053, 15114, 15466, 16946, 17404, 23199, 25419, 26106, 30228, 30932, 33892, 46398, 47861, 50838, 52212, 92796, 93203, 95722, 101676, 143583, 160987, 186406, 191444, 279609, 287166, 321974, 372812, 482961, 559218, 574332, 643948, 965922, 1118436, 1770857, 1931844, 3541714, 5312571, 7083428, 10625142, 21250284]

約数ペア:

[(1, 21250284), (2, 10625142), (3, 7083428), (4, 5312571), (6, 3541714), (11, 1931844), (12, 1770857), (19, 1118436), (22, 965922), (33, 643948), (37, 574332), (38, 559218), (44, 482961), (57, 372812), (66, 321974), (74, 287166), (76, 279609), (111, 191444), (114, 186406), (132, 160987), (148, 143583), (209, 101676), (222, 95722), (228, 93203), (229, 92796), (407, 52212), (418, 50838), (444, 47861), (458, 46398), (627, 33892), (687, 30932), (703, 30228), (814, 26106), (836, 25419), (916, 23199), (1221, 17404), (1254, 16946), (1374, 15466), (1406, 15114), (1628, 13053), (2109, 10076), (2442, 8702), (2508, 8473), (2519, 8436), (2748, 7733), (2812, 7557), (4218, 5038), (4351, 4884)]