21654216

素因数分解:

$2^3\times 3^6\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:150

約数の個数: 112

約数和(自身を含む): 62956800

約数和(自身を除く): 41302584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 47, 54, 72, 79, 81, 94, 108, 141, 158, 162, 188, 216, 237, 243, 282, 316, 324, 376, 423, 474, 486, 564, 632, 648, 711, 729, 846, 948, 972, 1128, 1269, 1422, 1458, 1692, 1896, 1944, 2133, 2538, 2844, 2916, 3384, 3713, 3807, 4266, 5076, 5688, 5832, 6399, 7426, 7614, 8532, 10152, 11139, 11421, 12798, 14852, 15228, 17064, 19197, 22278, 22842, 25596, 29704, 30456, 33417, 34263, 38394, 44556, 45684, 51192, 57591, 66834, 68526, 76788, 89112, 91368, 100251, 115182, 133668, 137052, 153576, 200502, 230364, 267336, 274104, 300753, 401004, 460728, 601506, 802008, 902259, 1203012, 1804518, 2406024, 2706777, 3609036, 5413554, 7218072, 10827108, 21654216]

約数ペア:

[(1, 21654216), (2, 10827108), (3, 7218072), (4, 5413554), (6, 3609036), (8, 2706777), (9, 2406024), (12, 1804518), (18, 1203012), (24, 902259), (27, 802008), (36, 601506), (47, 460728), (54, 401004), (72, 300753), (79, 274104), (81, 267336), (94, 230364), (108, 200502), (141, 153576), (158, 137052), (162, 133668), (188, 115182), (216, 100251), (237, 91368), (243, 89112), (282, 76788), (316, 68526), (324, 66834), (376, 57591), (423, 51192), (474, 45684), (486, 44556), (564, 38394), (632, 34263), (648, 33417), (711, 30456), (729, 29704), (846, 25596), (948, 22842), (972, 22278), (1128, 19197), (1269, 17064), (1422, 15228), (1458, 14852), (1692, 12798), (1896, 11421), (1944, 11139), (2133, 10152), (2538, 8532), (2844, 7614), (2916, 7426), (3384, 6399), (3713, 5832), (3807, 5688), (4266, 5076)]