21634880

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:172

約数の個数: 112

約数和(自身を含む): 56455056

約数和(自身を除く): 34820176

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 41, 64, 68, 80, 82, 85, 97, 136, 160, 164, 170, 194, 205, 272, 320, 328, 340, 388, 410, 485, 544, 656, 680, 697, 776, 820, 970, 1088, 1312, 1360, 1394, 1552, 1640, 1649, 1940, 2624, 2720, 2788, 3104, 3280, 3298, 3485, 3880, 3977, 5440, 5576, 6208, 6560, 6596, 6970, 7760, 7954, 8245, 11152, 13120, 13192, 13940, 15520, 15908, 16490, 19885, 22304, 26384, 27880, 31040, 31816, 32980, 39770, 44608, 52768, 55760, 63632, 65960, 67609, 79540, 105536, 111520, 127264, 131920, 135218, 159080, 223040, 254528, 263840, 270436, 318160, 338045, 527680, 540872, 636320, 676090, 1081744, 1272640, 1352180, 2163488, 2704360, 4326976, 5408720, 10817440, 21634880]

約数ペア:

[(1, 21634880), (2, 10817440), (4, 5408720), (5, 4326976), (8, 2704360), (10, 2163488), (16, 1352180), (17, 1272640), (20, 1081744), (32, 676090), (34, 636320), (40, 540872), (41, 527680), (64, 338045), (68, 318160), (80, 270436), (82, 263840), (85, 254528), (97, 223040), (136, 159080), (160, 135218), (164, 131920), (170, 127264), (194, 111520), (205, 105536), (272, 79540), (320, 67609), (328, 65960), (340, 63632), (388, 55760), (410, 52768), (485, 44608), (544, 39770), (656, 32980), (680, 31816), (697, 31040), (776, 27880), (820, 26384), (970, 22304), (1088, 19885), (1312, 16490), (1360, 15908), (1394, 15520), (1552, 13940), (1640, 13192), (1649, 13120), (1940, 11152), (2624, 8245), (2720, 7954), (2788, 7760), (3104, 6970), (3280, 6596), (3298, 6560), (3485, 6208), (3880, 5576), (3977, 5440)]