21011940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{233}}^1$

素因数の和:418

約数の個数: 96

約数和(自身を含む): 66044160

約数和(自身を除く): 45032220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 167, 180, 233, 270, 334, 466, 501, 540, 668, 699, 835, 932, 1002, 1165, 1398, 1503, 1670, 2004, 2097, 2330, 2505, 2796, 3006, 3340, 3495, 4194, 4509, 4660, 5010, 6012, 6291, 6990, 7515, 8388, 9018, 10020, 10485, 12582, 13980, 15030, 18036, 20970, 22545, 25164, 30060, 31455, 38911, 41940, 45090, 62910, 77822, 90180, 116733, 125820, 155644, 194555, 233466, 350199, 389110, 466932, 583665, 700398, 778220, 1050597, 1167330, 1400796, 1750995, 2101194, 2334660, 3501990, 4202388, 5252985, 7003980, 10505970, 21011940]

約数ペア:

[(1, 21011940), (2, 10505970), (3, 7003980), (4, 5252985), (5, 4202388), (6, 3501990), (9, 2334660), (10, 2101194), (12, 1750995), (15, 1400796), (18, 1167330), (20, 1050597), (27, 778220), (30, 700398), (36, 583665), (45, 466932), (54, 389110), (60, 350199), (90, 233466), (108, 194555), (135, 155644), (167, 125820), (180, 116733), (233, 90180), (270, 77822), (334, 62910), (466, 45090), (501, 41940), (540, 38911), (668, 31455), (699, 30060), (835, 25164), (932, 22545), (1002, 20970), (1165, 18036), (1398, 15030), (1503, 13980), (1670, 12582), (2004, 10485), (2097, 10020), (2330, 9018), (2505, 8388), (2796, 7515), (3006, 6990), (3340, 6291), (3495, 6012), (4194, 5010), (4509, 4660)]