21549660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{317}}^1$

素因数の和:443

約数の個数: 96

約数和(自身を含む): 66673152

約数和(自身を除く): 45123492

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 103, 110, 132, 165, 206, 220, 309, 317, 330, 412, 515, 618, 634, 660, 951, 1030, 1133, 1236, 1268, 1545, 1585, 1902, 2060, 2266, 3090, 3170, 3399, 3487, 3804, 4532, 4755, 5665, 6180, 6340, 6798, 6974, 9510, 10461, 11330, 13596, 13948, 16995, 17435, 19020, 20922, 22660, 32651, 33990, 34870, 41844, 52305, 65302, 67980, 69740, 97953, 104610, 130604, 163255, 195906, 209220, 326510, 359161, 391812, 489765, 653020, 718322, 979530, 1077483, 1436644, 1795805, 1959060, 2154966, 3591610, 4309932, 5387415, 7183220, 10774830, 21549660]

約数ペア:

[(1, 21549660), (2, 10774830), (3, 7183220), (4, 5387415), (5, 4309932), (6, 3591610), (10, 2154966), (11, 1959060), (12, 1795805), (15, 1436644), (20, 1077483), (22, 979530), (30, 718322), (33, 653020), (44, 489765), (55, 391812), (60, 359161), (66, 326510), (103, 209220), (110, 195906), (132, 163255), (165, 130604), (206, 104610), (220, 97953), (309, 69740), (317, 67980), (330, 65302), (412, 52305), (515, 41844), (618, 34870), (634, 33990), (660, 32651), (951, 22660), (1030, 20922), (1133, 19020), (1236, 17435), (1268, 16995), (1545, 13948), (1585, 13596), (1902, 11330), (2060, 10461), (2266, 9510), (3090, 6974), (3170, 6798), (3399, 6340), (3487, 6180), (3804, 5665), (4532, 4755)]