21866940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2963}}^1$

素因数の和:3019

約数の個数: 72

約数和(自身を含む): 67970448

約数和(自身を除く): 46103508

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 2963, 3690, 5926, 7380, 8889, 11852, 14815, 17778, 26667, 29630, 35556, 44445, 53334, 59260, 88890, 106668, 121483, 133335, 177780, 242966, 266670, 364449, 485932, 533340, 607415, 728898, 1093347, 1214830, 1457796, 1822245, 2186694, 2429660, 3644490, 4373388, 5466735, 7288980, 10933470, 21866940]

約数ペア:

[(1, 21866940), (2, 10933470), (3, 7288980), (4, 5466735), (5, 4373388), (6, 3644490), (9, 2429660), (10, 2186694), (12, 1822245), (15, 1457796), (18, 1214830), (20, 1093347), (30, 728898), (36, 607415), (41, 533340), (45, 485932), (60, 364449), (82, 266670), (90, 242966), (123, 177780), (164, 133335), (180, 121483), (205, 106668), (246, 88890), (369, 59260), (410, 53334), (492, 44445), (615, 35556), (738, 29630), (820, 26667), (1230, 17778), (1476, 14815), (1845, 11852), (2460, 8889), (2963, 7380), (3690, 5926)]