21487116

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{367}}^1$

素因数の和:439

約数の個数: 96

約数和(自身を含む): 62318592

約数和(自身を除く): 40831476

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 41, 42, 51, 68, 82, 84, 102, 119, 123, 164, 204, 238, 246, 287, 357, 367, 476, 492, 574, 697, 714, 734, 861, 1101, 1148, 1394, 1428, 1468, 1722, 2091, 2202, 2569, 2788, 3444, 4182, 4404, 4879, 5138, 6239, 7707, 8364, 9758, 10276, 12478, 14637, 15047, 15414, 18717, 19516, 24956, 29274, 30094, 30828, 37434, 43673, 45141, 58548, 60188, 74868, 87346, 90282, 105329, 131019, 174692, 180564, 210658, 255799, 262038, 315987, 421316, 511598, 524076, 631974, 767397, 1023196, 1263948, 1534794, 1790593, 3069588, 3581186, 5371779, 7162372, 10743558, 21487116]

約数ペア:

[(1, 21487116), (2, 10743558), (3, 7162372), (4, 5371779), (6, 3581186), (7, 3069588), (12, 1790593), (14, 1534794), (17, 1263948), (21, 1023196), (28, 767397), (34, 631974), (41, 524076), (42, 511598), (51, 421316), (68, 315987), (82, 262038), (84, 255799), (102, 210658), (119, 180564), (123, 174692), (164, 131019), (204, 105329), (238, 90282), (246, 87346), (287, 74868), (357, 60188), (367, 58548), (476, 45141), (492, 43673), (574, 37434), (697, 30828), (714, 30094), (734, 29274), (861, 24956), (1101, 19516), (1148, 18717), (1394, 15414), (1428, 15047), (1468, 14637), (1722, 12478), (2091, 10276), (2202, 9758), (2569, 8364), (2788, 7707), (3444, 6239), (4182, 5138), (4404, 4879)]