21314688

素因数分解:

$2^7\times 3^1\times {\mathrm{47}}^1\times {\mathrm{1181}}^1$

素因数の和:1245

約数の個数: 64

約数和(自身を含む): 57870720

約数和(自身を除く): 36556032

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 47, 48, 64, 94, 96, 128, 141, 188, 192, 282, 376, 384, 564, 752, 1128, 1181, 1504, 2256, 2362, 3008, 3543, 4512, 4724, 6016, 7086, 9024, 9448, 14172, 18048, 18896, 28344, 37792, 55507, 56688, 75584, 111014, 113376, 151168, 166521, 222028, 226752, 333042, 444056, 453504, 666084, 888112, 1332168, 1776224, 2664336, 3552448, 5328672, 7104896, 10657344, 21314688]

約数ペア:

[(1, 21314688), (2, 10657344), (3, 7104896), (4, 5328672), (6, 3552448), (8, 2664336), (12, 1776224), (16, 1332168), (24, 888112), (32, 666084), (47, 453504), (48, 444056), (64, 333042), (94, 226752), (96, 222028), (128, 166521), (141, 151168), (188, 113376), (192, 111014), (282, 75584), (376, 56688), (384, 55507), (564, 37792), (752, 28344), (1128, 18896), (1181, 18048), (1504, 14172), (2256, 9448), (2362, 9024), (3008, 7086), (3543, 6016), (4512, 4724)]