21897204

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:233

約数の個数: 96

約数和(自身を含む): 61689600

約数和(自身を除く): 39792396

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 84, 87, 89, 101, 116, 174, 178, 202, 203, 267, 303, 348, 356, 404, 406, 534, 606, 609, 623, 707, 812, 1068, 1212, 1218, 1246, 1414, 1869, 2121, 2436, 2492, 2581, 2828, 2929, 3738, 4242, 5162, 5858, 7476, 7743, 8484, 8787, 8989, 10324, 11716, 15486, 17574, 17978, 18067, 20503, 26967, 30972, 35148, 35956, 36134, 41006, 53934, 54201, 61509, 62923, 72268, 82012, 107868, 108402, 123018, 125846, 188769, 216804, 246036, 251692, 260681, 377538, 521362, 755076, 782043, 1042724, 1564086, 1824767, 3128172, 3649534, 5474301, 7299068, 10948602, 21897204]

約数ペア:

[(1, 21897204), (2, 10948602), (3, 7299068), (4, 5474301), (6, 3649534), (7, 3128172), (12, 1824767), (14, 1564086), (21, 1042724), (28, 782043), (29, 755076), (42, 521362), (58, 377538), (84, 260681), (87, 251692), (89, 246036), (101, 216804), (116, 188769), (174, 125846), (178, 123018), (202, 108402), (203, 107868), (267, 82012), (303, 72268), (348, 62923), (356, 61509), (404, 54201), (406, 53934), (534, 41006), (606, 36134), (609, 35956), (623, 35148), (707, 30972), (812, 26967), (1068, 20503), (1212, 18067), (1218, 17978), (1246, 17574), (1414, 15486), (1869, 11716), (2121, 10324), (2436, 8989), (2492, 8787), (2581, 8484), (2828, 7743), (2929, 7476), (3738, 5858), (4242, 5162)]