21229260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1601}}^1$

素因数の和:1643

約数の個数: 96

約数和(自身を含む): 67822272

約数和(自身を除く): 46593012

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 170, 195, 204, 221, 255, 260, 340, 390, 442, 510, 663, 780, 884, 1020, 1105, 1326, 1601, 2210, 2652, 3202, 3315, 4420, 4803, 6404, 6630, 8005, 9606, 13260, 16010, 19212, 20813, 24015, 27217, 32020, 41626, 48030, 54434, 62439, 81651, 83252, 96060, 104065, 108868, 124878, 136085, 163302, 208130, 249756, 272170, 312195, 326604, 353821, 408255, 416260, 544340, 624390, 707642, 816510, 1061463, 1248780, 1415284, 1633020, 1769105, 2122926, 3538210, 4245852, 5307315, 7076420, 10614630, 21229260]

約数ペア:

[(1, 21229260), (2, 10614630), (3, 7076420), (4, 5307315), (5, 4245852), (6, 3538210), (10, 2122926), (12, 1769105), (13, 1633020), (15, 1415284), (17, 1248780), (20, 1061463), (26, 816510), (30, 707642), (34, 624390), (39, 544340), (51, 416260), (52, 408255), (60, 353821), (65, 326604), (68, 312195), (78, 272170), (85, 249756), (102, 208130), (130, 163302), (156, 136085), (170, 124878), (195, 108868), (204, 104065), (221, 96060), (255, 83252), (260, 81651), (340, 62439), (390, 54434), (442, 48030), (510, 41626), (663, 32020), (780, 27217), (884, 24015), (1020, 20813), (1105, 19212), (1326, 16010), (1601, 13260), (2210, 9606), (2652, 8005), (3202, 6630), (3315, 6404), (4420, 4803)]