21548436

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2819}}^1$

素因数の和:2853

約数の個数: 72

約数和(自身を含む): 63010080

約数和(自身を除く): 41461644

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2548, 2819, 3822, 5638, 7644, 8457, 11276, 16914, 19733, 33828, 36647, 39466, 59199, 73294, 78932, 109941, 118398, 138131, 146588, 219882, 236796, 256529, 276262, 414393, 439764, 513058, 552524, 769587, 828786, 1026116, 1539174, 1657572, 1795703, 3078348, 3591406, 5387109, 7182812, 10774218, 21548436]

約数ペア:

[(1, 21548436), (2, 10774218), (3, 7182812), (4, 5387109), (6, 3591406), (7, 3078348), (12, 1795703), (13, 1657572), (14, 1539174), (21, 1026116), (26, 828786), (28, 769587), (39, 552524), (42, 513058), (49, 439764), (52, 414393), (78, 276262), (84, 256529), (91, 236796), (98, 219882), (147, 146588), (156, 138131), (182, 118398), (196, 109941), (273, 78932), (294, 73294), (364, 59199), (546, 39466), (588, 36647), (637, 33828), (1092, 19733), (1274, 16914), (1911, 11276), (2548, 8457), (2819, 7644), (3822, 5638)]