21212335440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{1723}}^1\times {\mathrm{17099}}^1$

素因数の和:18841

約数の個数: 120

約数和(自身を含む): 71283607200

約数和(自身を除く): 50071271760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 1723, 3446, 5169, 6892, 8615, 10338, 13784, 15507, 17099, 17230, 20676, 25845, 27568, 31014, 34198, 34460, 41352, 51297, 51690, 62028, 68396, 68920, 77535, 82704, 85495, 102594, 103380, 124056, 136792, 137840, 153891, 155070, 170990, 205188, 206760, 248112, 256485, 273584, 307782, 310140, 341980, 410376, 413520, 512970, 615564, 620280, 683960, 769455, 820752, 1025940, 1231128, 1240560, 1367920, 1538910, 2051880, 2462256, 3077820, 4103760, 6155640, 12311280, 29461577, 58923154, 88384731, 117846308, 147307885, 176769462, 235692616, 265154193, 294615770, 353538924, 441923655, 471385232, 530308386, 589231540, 707077848, 883847310, 1060616772, 1178463080, 1325770965, 1414155696, 1767694620, 2121233544, 2356926160, 2651541930, 3535389240, 4242467088, 5303083860, 7070778480, 10606167720, 21212335440]

約数ペア:

[(1, 21212335440), (2, 10606167720), (3, 7070778480), (4, 5303083860), (5, 4242467088), (6, 3535389240), (8, 2651541930), (9, 2356926160), (10, 2121233544), (12, 1767694620), (15, 1414155696), (16, 1325770965), (18, 1178463080), (20, 1060616772), (24, 883847310), (30, 707077848), (36, 589231540), (40, 530308386), (45, 471385232), (48, 441923655), (60, 353538924), (72, 294615770), (80, 265154193), (90, 235692616), (120, 176769462), (144, 147307885), (180, 117846308), (240, 88384731), (360, 58923154), (720, 29461577), (1723, 12311280), (3446, 6155640), (5169, 4103760), (6892, 3077820), (8615, 2462256), (10338, 2051880), (13784, 1538910), (15507, 1367920), (17099, 1240560), (17230, 1231128), (20676, 1025940), (25845, 820752), (27568, 769455), (31014, 683960), (34198, 620280), (34460, 615564), (41352, 512970), (51297, 413520), (51690, 410376), (62028, 341980), (68396, 310140), (68920, 307782), (77535, 273584), (82704, 256485), (85495, 248112), (102594, 206760), (103380, 205188), (124056, 170990), (136792, 155070), (137840, 153891)]