21543144

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{2617}}^1$

素因数の和:2647

約数の個数: 64

約数和(自身を含む): 62832000

約数和(自身を除く): 41288856

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 343, 392, 588, 686, 1029, 1176, 1372, 2058, 2617, 2744, 4116, 5234, 7851, 8232, 10468, 15702, 18319, 20936, 31404, 36638, 54957, 62808, 73276, 109914, 128233, 146552, 219828, 256466, 384699, 439656, 512932, 769398, 897631, 1025864, 1538796, 1795262, 2692893, 3077592, 3590524, 5385786, 7181048, 10771572, 21543144]

約数ペア:

[(1, 21543144), (2, 10771572), (3, 7181048), (4, 5385786), (6, 3590524), (7, 3077592), (8, 2692893), (12, 1795262), (14, 1538796), (21, 1025864), (24, 897631), (28, 769398), (42, 512932), (49, 439656), (56, 384699), (84, 256466), (98, 219828), (147, 146552), (168, 128233), (196, 109914), (294, 73276), (343, 62808), (392, 54957), (588, 36638), (686, 31404), (1029, 20936), (1176, 18319), (1372, 15702), (2058, 10468), (2617, 8232), (2744, 7851), (4116, 5234)]