21700908

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{601}}^1$

素因数の和:687

約数の個数: 72

約数和(自身を含む): 59164560

約数和(自身を除く): 37463652

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 59, 68, 102, 118, 153, 177, 204, 236, 306, 354, 531, 601, 612, 708, 1003, 1062, 1202, 1803, 2006, 2124, 2404, 3009, 3606, 4012, 5409, 6018, 7212, 9027, 10217, 10818, 12036, 18054, 20434, 21636, 30651, 35459, 36108, 40868, 61302, 70918, 91953, 106377, 122604, 141836, 183906, 212754, 319131, 367812, 425508, 602803, 638262, 1205606, 1276524, 1808409, 2411212, 3616818, 5425227, 7233636, 10850454, 21700908]

約数ペア:

[(1, 21700908), (2, 10850454), (3, 7233636), (4, 5425227), (6, 3616818), (9, 2411212), (12, 1808409), (17, 1276524), (18, 1205606), (34, 638262), (36, 602803), (51, 425508), (59, 367812), (68, 319131), (102, 212754), (118, 183906), (153, 141836), (177, 122604), (204, 106377), (236, 91953), (306, 70918), (354, 61302), (531, 40868), (601, 36108), (612, 35459), (708, 30651), (1003, 21636), (1062, 20434), (1202, 18054), (1803, 12036), (2006, 10818), (2124, 10217), (2404, 9027), (3009, 7212), (3606, 6018), (4012, 5409)]