21430962

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2153}}^1$

素因数の和:2247

約数の個数: 48

約数和(自身を含む): 53763840

約数和(自身を除く): 32332878

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 79, 126, 158, 237, 474, 553, 711, 1106, 1422, 1659, 2153, 3318, 4306, 4977, 6459, 9954, 12918, 15071, 19377, 30142, 38754, 45213, 90426, 135639, 170087, 271278, 340174, 510261, 1020522, 1190609, 1530783, 2381218, 3061566, 3571827, 7143654, 10715481, 21430962]

約数ペア:

[(1, 21430962), (2, 10715481), (3, 7143654), (6, 3571827), (7, 3061566), (9, 2381218), (14, 1530783), (18, 1190609), (21, 1020522), (42, 510261), (63, 340174), (79, 271278), (126, 170087), (158, 135639), (237, 90426), (474, 45213), (553, 38754), (711, 30142), (1106, 19377), (1422, 15071), (1659, 12918), (2153, 9954), (3318, 6459), (4306, 4977)]