21823070

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 44416512

約数和(自身を除く): 22593442

約数列:

[1, 2, 5, 10, 17, 31, 34, 41, 62, 82, 85, 101, 155, 170, 202, 205, 310, 410, 505, 527, 697, 1010, 1054, 1271, 1394, 1717, 2542, 2635, 3131, 3434, 3485, 4141, 5270, 6262, 6355, 6970, 8282, 8585, 12710, 15655, 17170, 20705, 21607, 31310, 41410, 43214, 53227, 70397, 106454, 108035, 128371, 140794, 216070, 256742, 266135, 351985, 532270, 641855, 703970, 1283710, 2182307, 4364614, 10911535, 21823070]

約数ペア:

[(1, 21823070), (2, 10911535), (5, 4364614), (10, 2182307), (17, 1283710), (31, 703970), (34, 641855), (41, 532270), (62, 351985), (82, 266135), (85, 256742), (101, 216070), (155, 140794), (170, 128371), (202, 108035), (205, 106454), (310, 70397), (410, 53227), (505, 43214), (527, 41410), (697, 31310), (1010, 21607), (1054, 20705), (1271, 17170), (1394, 15655), (1717, 12710), (2542, 8585), (2635, 8282), (3131, 6970), (3434, 6355), (3485, 6262), (4141, 5270)]