21929910656

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{243709}}^1$

素因数の和:243779

約数の個数: 64

約数和(自身を含む): 47230998000

約数和(自身を除く): 25301087344

約数列:

[1, 2, 4, 8, 16, 19, 32, 37, 38, 64, 74, 76, 128, 148, 152, 296, 304, 592, 608, 703, 1184, 1216, 1406, 2368, 2432, 2812, 4736, 5624, 11248, 22496, 44992, 89984, 243709, 487418, 974836, 1949672, 3899344, 4630471, 7798688, 9017233, 9260942, 15597376, 18034466, 18521884, 31194752, 36068932, 37043768, 72137864, 74087536, 144275728, 148175072, 171327427, 288551456, 296350144, 342654854, 577102912, 592700288, 685309708, 1154205824, 1370619416, 2741238832, 5482477664, 10964955328, 21929910656]

約数ペア:

[(1, 21929910656), (2, 10964955328), (4, 5482477664), (8, 2741238832), (16, 1370619416), (19, 1154205824), (32, 685309708), (37, 592700288), (38, 577102912), (64, 342654854), (74, 296350144), (76, 288551456), (128, 171327427), (148, 148175072), (152, 144275728), (296, 74087536), (304, 72137864), (592, 37043768), (608, 36068932), (703, 31194752), (1184, 18521884), (1216, 18034466), (1406, 15597376), (2368, 9260942), (2432, 9017233), (2812, 7798688), (4736, 4630471), (5624, 3899344), (11248, 1949672), (22496, 974836), (44992, 487418), (89984, 243709)]