21941580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1013}}^1$

素因数の和:1063

約数の個数: 72

約数和(自身を含む): 64904112

約数和(自身を除く): 42962532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 361, 380, 570, 722, 1013, 1083, 1140, 1444, 1805, 2026, 2166, 3039, 3610, 4052, 4332, 5065, 5415, 6078, 7220, 10130, 10830, 12156, 15195, 19247, 20260, 21660, 30390, 38494, 57741, 60780, 76988, 96235, 115482, 192470, 230964, 288705, 365693, 384940, 577410, 731386, 1097079, 1154820, 1462772, 1828465, 2194158, 3656930, 4388316, 5485395, 7313860, 10970790, 21941580]

約数ペア:

[(1, 21941580), (2, 10970790), (3, 7313860), (4, 5485395), (5, 4388316), (6, 3656930), (10, 2194158), (12, 1828465), (15, 1462772), (19, 1154820), (20, 1097079), (30, 731386), (38, 577410), (57, 384940), (60, 365693), (76, 288705), (95, 230964), (114, 192470), (190, 115482), (228, 96235), (285, 76988), (361, 60780), (380, 57741), (570, 38494), (722, 30390), (1013, 21660), (1083, 20260), (1140, 19247), (1444, 15195), (1805, 12156), (2026, 10830), (2166, 10130), (3039, 7220), (3610, 6078), (4052, 5415), (4332, 5065)]