21358128

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2129}}^1$

素因数の和:2170

約数の個数: 80

約数和(自身を含む): 63388800

約数和(自身を除く): 42030672

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 33, 38, 44, 48, 57, 66, 76, 88, 114, 132, 152, 176, 209, 228, 264, 304, 418, 456, 528, 627, 836, 912, 1254, 1672, 2129, 2508, 3344, 4258, 5016, 6387, 8516, 10032, 12774, 17032, 23419, 25548, 34064, 40451, 46838, 51096, 70257, 80902, 93676, 102192, 121353, 140514, 161804, 187352, 242706, 281028, 323608, 374704, 444961, 485412, 562056, 647216, 889922, 970824, 1124112, 1334883, 1779844, 1941648, 2669766, 3559688, 5339532, 7119376, 10679064, 21358128]

約数ペア:

[(1, 21358128), (2, 10679064), (3, 7119376), (4, 5339532), (6, 3559688), (8, 2669766), (11, 1941648), (12, 1779844), (16, 1334883), (19, 1124112), (22, 970824), (24, 889922), (33, 647216), (38, 562056), (44, 485412), (48, 444961), (57, 374704), (66, 323608), (76, 281028), (88, 242706), (114, 187352), (132, 161804), (152, 140514), (176, 121353), (209, 102192), (228, 93676), (264, 80902), (304, 70257), (418, 51096), (456, 46838), (528, 40451), (627, 34064), (836, 25548), (912, 23419), (1254, 17032), (1672, 12774), (2129, 10032), (2508, 8516), (3344, 6387), (4258, 5016)]