21335952

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2377}}^1$

素因数の和:2416

約数の個数: 80

約数和(自身を含む): 63692352

約数和(自身を除く): 42356400

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 24, 33, 34, 44, 48, 51, 66, 68, 88, 102, 132, 136, 176, 187, 204, 264, 272, 374, 408, 528, 561, 748, 816, 1122, 1496, 2244, 2377, 2992, 4488, 4754, 7131, 8976, 9508, 14262, 19016, 26147, 28524, 38032, 40409, 52294, 57048, 78441, 80818, 104588, 114096, 121227, 156882, 161636, 209176, 242454, 313764, 323272, 418352, 444499, 484908, 627528, 646544, 888998, 969816, 1255056, 1333497, 1777996, 1939632, 2666994, 3555992, 5333988, 7111984, 10667976, 21335952]

約数ペア:

[(1, 21335952), (2, 10667976), (3, 7111984), (4, 5333988), (6, 3555992), (8, 2666994), (11, 1939632), (12, 1777996), (16, 1333497), (17, 1255056), (22, 969816), (24, 888998), (33, 646544), (34, 627528), (44, 484908), (48, 444499), (51, 418352), (66, 323272), (68, 313764), (88, 242454), (102, 209176), (132, 161636), (136, 156882), (176, 121227), (187, 114096), (204, 104588), (264, 80818), (272, 78441), (374, 57048), (408, 52294), (528, 40409), (561, 38032), (748, 28524), (816, 26147), (1122, 19016), (1496, 14262), (2244, 9508), (2377, 8976), (2992, 7131), (4488, 4754)]