21373290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:492

約数の個数: 96

約数和(自身を含む): 60652800

約数和(自身を除く): 39279510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 29, 30, 38, 45, 57, 58, 87, 90, 95, 114, 145, 171, 174, 190, 261, 285, 290, 342, 431, 435, 522, 551, 570, 855, 862, 870, 1102, 1293, 1305, 1653, 1710, 2155, 2586, 2610, 2755, 3306, 3879, 4310, 4959, 5510, 6465, 7758, 8189, 8265, 9918, 12499, 12930, 16378, 16530, 19395, 24567, 24795, 24998, 37497, 38790, 40945, 49134, 49590, 62495, 73701, 74994, 81890, 112491, 122835, 124990, 147402, 187485, 224982, 237481, 245670, 368505, 374970, 474962, 562455, 712443, 737010, 1124910, 1187405, 1424886, 2137329, 2374810, 3562215, 4274658, 7124430, 10686645, 21373290]

約数ペア:

[(1, 21373290), (2, 10686645), (3, 7124430), (5, 4274658), (6, 3562215), (9, 2374810), (10, 2137329), (15, 1424886), (18, 1187405), (19, 1124910), (29, 737010), (30, 712443), (38, 562455), (45, 474962), (57, 374970), (58, 368505), (87, 245670), (90, 237481), (95, 224982), (114, 187485), (145, 147402), (171, 124990), (174, 122835), (190, 112491), (261, 81890), (285, 74994), (290, 73701), (342, 62495), (431, 49590), (435, 49134), (522, 40945), (551, 38790), (570, 37497), (855, 24998), (862, 24795), (870, 24567), (1102, 19395), (1293, 16530), (1305, 16378), (1653, 12930), (1710, 12499), (2155, 9918), (2586, 8265), (2610, 8189), (2755, 7758), (3306, 6465), (3879, 5510), (4310, 4959)]