21773180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:387

約数の個数: 96

約数和(自身を含む): 56222208

約数和(自身を除く): 34449028

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 23, 26, 44, 46, 52, 55, 65, 92, 110, 115, 130, 143, 220, 230, 253, 260, 286, 299, 331, 460, 506, 572, 598, 662, 715, 1012, 1196, 1265, 1324, 1430, 1495, 1655, 2530, 2860, 2990, 3289, 3310, 3641, 4303, 5060, 5980, 6578, 6620, 7282, 7613, 8606, 13156, 14564, 15226, 16445, 17212, 18205, 21515, 30452, 32890, 36410, 38065, 43030, 47333, 65780, 72820, 76130, 83743, 86060, 94666, 98969, 152260, 167486, 189332, 197938, 236665, 334972, 395876, 418715, 473330, 494845, 837430, 946660, 989690, 1088659, 1674860, 1979380, 2177318, 4354636, 5443295, 10886590, 21773180]

約数ペア:

[(1, 21773180), (2, 10886590), (4, 5443295), (5, 4354636), (10, 2177318), (11, 1979380), (13, 1674860), (20, 1088659), (22, 989690), (23, 946660), (26, 837430), (44, 494845), (46, 473330), (52, 418715), (55, 395876), (65, 334972), (92, 236665), (110, 197938), (115, 189332), (130, 167486), (143, 152260), (220, 98969), (230, 94666), (253, 86060), (260, 83743), (286, 76130), (299, 72820), (331, 65780), (460, 47333), (506, 43030), (572, 38065), (598, 36410), (662, 32890), (715, 30452), (1012, 21515), (1196, 18205), (1265, 17212), (1324, 16445), (1430, 15226), (1495, 14564), (1655, 13156), (2530, 8606), (2860, 7613), (2990, 7282), (3289, 6620), (3310, 6578), (3641, 5980), (4303, 5060)]