21516144

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{41}}^1$

素因数の和:123

約数の個数: 120

約数和(自身を含む): 63506352

約数和(自身を除く): 41990208

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 29, 39, 41, 48, 52, 58, 78, 82, 87, 104, 116, 123, 156, 164, 174, 208, 232, 246, 312, 328, 348, 377, 464, 492, 533, 624, 656, 696, 754, 841, 984, 1066, 1131, 1189, 1392, 1508, 1599, 1682, 1968, 2132, 2262, 2378, 2523, 3016, 3198, 3364, 3567, 4264, 4524, 4756, 5046, 6032, 6396, 6728, 7134, 8528, 9048, 9512, 10092, 10933, 12792, 13456, 14268, 15457, 18096, 19024, 20184, 21866, 25584, 28536, 30914, 32799, 34481, 40368, 43732, 46371, 57072, 61828, 65598, 68962, 87464, 92742, 103443, 123656, 131196, 137924, 174928, 185484, 206886, 247312, 262392, 275848, 370968, 413772, 448253, 524784, 551696, 741936, 827544, 896506, 1344759, 1655088, 1793012, 2689518, 3586024, 5379036, 7172048, 10758072, 21516144]

約数ペア:

[(1, 21516144), (2, 10758072), (3, 7172048), (4, 5379036), (6, 3586024), (8, 2689518), (12, 1793012), (13, 1655088), (16, 1344759), (24, 896506), (26, 827544), (29, 741936), (39, 551696), (41, 524784), (48, 448253), (52, 413772), (58, 370968), (78, 275848), (82, 262392), (87, 247312), (104, 206886), (116, 185484), (123, 174928), (156, 137924), (164, 131196), (174, 123656), (208, 103443), (232, 92742), (246, 87464), (312, 68962), (328, 65598), (348, 61828), (377, 57072), (464, 46371), (492, 43732), (533, 40368), (624, 34481), (656, 32799), (696, 30914), (754, 28536), (841, 25584), (984, 21866), (1066, 20184), (1131, 19024), (1189, 18096), (1392, 15457), (1508, 14268), (1599, 13456), (1682, 12792), (1968, 10933), (2132, 10092), (2262, 9512), (2378, 9048), (2523, 8528), (3016, 7134), (3198, 6728), (3364, 6396), (3567, 6032), (4264, 5046), (4524, 4756)]